Science News

Surprise! When a Brown Dwarf is Actually a Planetary Mass Object

Jonathan Gagne

Sometimes a brown dwarf is actually a planet—or planet-like anyway. A team led by Carnegie’s Jonathan Gagné, and including researchers from the Institute for Research on Exoplanets (iREx) at Université de Montréal, the American Museum of Natural History, and University of California San Diego, discovered that what astronomers had previously thought was one of the closest brown dwarfs to our own Sun is, in fact, a planetary mass object. 

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Carnegie Science Endorses the March for Science

March for Science

Carnegie Institution for Science President Matthew Scott announces the endorsement of the March for Science on April 22, 2017, in Washington, DC, around the country, and around the world.

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Visualizing Debris Disk "Roller Derby" to Understand Planetary System Evolution

Erika Nesvold

New work led by DTM’s Erika Nesvold looks at how a disk is affected by a planet that exists beyond its outermost edge and demonstrates that the disk’s shape can indicate whether the planet formed beyond the disk or initially existed inside of the disk and moved outward over time. The work is published in The Astrophysical Journal Letters.

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Melting Temperature of Earth’s Mantle Depends on Water

Erik Hauri

A joint study between Carnegie and the Woods Hole Oceanographic Institution has determined that the average temperature of Earth’s mantle beneath ocean basins is about 110 degrees Fahrenheit (60 Celsius) higher than previously thought, due to water present in deep minerals. The results are published in Science.

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Hunting for Giant Planet Analogs in our Own Backyard

Floating Planet

There may be a large number of undetected bright, substellar objects similar to giant exoplanets in our own solar neighborhood, according to new work from a team led by DTM’s Jonathan Gagné and including researchers from the Institute for Research on Exoplanets (iREx) at Université de Montréal. It is published by The Astrophysical Journal Supplement Series.

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Carnegie Wins Grant to Preserve Notable Geophysicist's Archives

Oliver Gish

The American Institute of Physics’ Center for History of Physics has awarded the Carnegie Institution for Science a $10,000 grant to organize and preserve the archives of scientist Oliver H. Gish and open them for research.

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